A serious crash on the M25 has caused significant disruption, leading to the closure of the motorway in both directions between J29 (A127 Romford/Basildon) and J28 (A12 Brentwood/Brook Street Roundabout).
Emergency Services at the Scene
Emergency services, including Essex Police and National Highways Traffic Officers, are currently on-site managing the situation and assisting with traffic. The incident, first reported just before 1:00 pm, has led to widespread delays.

Traffic and Delays
National Highways has confirmed delays of up to 90 minutes against expected travel times, with congestion stretching back for 5 miles. Traffic is also building towards the Dartford Crossing, further exacerbating delays.
Diversion Routes
Drivers traveling anti-clockwise are advised to follow the Hollow Square diversion route:
- Exit at M25 J29 onto the A127 towards London.
- At the “Gallows Corner” junction, bear left and take the 4th exit onto the A12 towards Harwich.
- Follow the A12 and take the M25 exit slip.
- Rejoin the M25 at J28.
Motorists are urged to allow extra time for their journeys or consider alternative routes if possible.
Updates from the Scene
- 2:26 pm: National Highways reports delays of 1.5 hours with traffic building towards the Dartford Crossing.
- 1:30 pm: Traffic delays increase to 80 minutes, with congestion stretching 5 miles.
- 1:19 pm: Both directions of the M25 are now fully closed due to the severity of the incident.